And there was one Anna, a prophetess, the daughter of Phanuel, of the tribe of Aser: she was of a great age, and had lived with an husband seven years from her virginity;
No, all the tribes are not called Jews. They are called Israel. Asher was the second son of Jacob (Israel) by Zilpah.
There is no “myth of the lost ten tribes”; that is Biblical and spoken of in the Bible.
The Jews and Israelites actually fought wars against each other after The split following Solomens death.
A Jew is an Israelite but not all Israelites are Jews and never were referred to as Jews.